22280468040 has 64 divisors (see below), whose sum is σ = 74268230400. Its totient is φ = 5941457856.

The previous prime is 22280467991. The next prime is 22280468051. The reversal of 22280468040 is 4086408222.

It is a happy number.

It is a super-2 number, since 2×22280468040² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 22280467986 and 22280468004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10313952 + ... + 10316111.

It is an arithmetic number, because the mean of its divisors is an integer number (1160441100).

Almost surely, 2^22280468040 is an apocalyptic number.

22280468040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22280468040 is an abundant number, since it is smaller than the sum of its proper divisors (51987762360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22280468040 is a wasteful number, since it uses less digits than its factorization.

22280468040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20630083 (or 20630073 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The spelling of 22280468040 in words is "twenty-two billion, two hundred eighty million, four hundred sixty-eight thousand, forty".